площадь трех граней прямоугольного параллелепипеда равны 24,48 и 72см(кв.). найдите диагонали параллелепипеда

-4(1+2x)+3(x-2)=-18,3-20x 

 нужно написать  историю про любого известного человека по плану такста про Bill Gates.
1.Bill Gates the richest man in the world.

2.He started business with a friend in 1975.

3.Microsoft -largest computer software company.

4.BIll Gates born in Seattle,from his parents Bill got a good busines sence and duick mind.

5.His favorite subjects were Maths and Science.

6.Bill and his friend Paul Alien wroted an operating programme for the Altair.

7.In 1980,Microsoft made MS-DOS standart operating system for all PCs,Windows,Excel and Internet Explorer.

8.Melinda French ,a Mirosoft employee  and wife of Bill Gates.

9 .Bill Gates written two books,and he like playing golf,bridge.

10.Foundation Bill and Melinda Gates

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либо по этому плану

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1)What is Microsoft Corporation and who founded it?

2)When was Bill Gates born and who were hai parents?

3)What subjects did Bill like most of all?

4)Where did Bill Gates study after school and what can you say about his computer labaratory at that time?

5)Who was Bill Gates's parents?

6)What operating systems were produced by Microsoft in 1980-s?

7)What are the most well-Known programs by Microsoft?

8)What do you known about Bill Gates's family?

9)How does Bill Gates spend his free time?

10)How can you describe Gates's personality?

В прямоугольном треугольнике АВС угол А равен 90 градусов, ВС=10,АС=6. Найдите tgС